Home / 14,513.46-20,030.25-8,141.79

Finding the Fourth Proportional to 14,513.46, 20,030.25 and 8,141.79

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Solution

The fourth proportional to 14,513.46, 20,030.25 and 8,141.79 is: 11,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.46 : 20,030.25 = 8,141.79 : x
  2. Step 2: Convert to fraction form
    14,513.46/20,030.25 = 8,141.79/x
  3. Step 3: Cross multiply
    14,513.46x = 20,030.25 × 8,141.79
  4. Step 4: Simplify right side
    14,513.46x = 163,082,089.15
  5. Step 5: Solve for x
    x = 163,082,089.15/14,513.46
  6. Step 6: Final answer
    x = 11,236.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.